Electricity outages have paralyzed an already-crippled economy, leading to shortages of everything from cash to running water.

Many Cubans waited in anguish late Sunday as electricity on much of the island had yet to be restored days after an island-wide blackout. Their concerns were heightened as Hurricane Oscar slammed into Cuba’s eastern coast,

Following three days of nationwide blackouts caused by the collapse of Cuba’s electrical system, power was restored to most of Havana on Monday, after Cuban authorities gave up efforts to restore the entire grid for now and opted to try to hook up individual regions around the country.